This learning packet, one in a series of eight, was developed by the Eno River State Park in North Carolina for Grades 5-6 to teach about various aspects of water life on the Eno River. Loose-leaf pages are presented in nine sections that contain: (1) introductions to the North Carolina State Park System, the Eno River State Park, and to the park's activity packet; (2) a summary of the activities that includes major concepts and objectives covered; (3) pre-visit activities on map trivia and dichotomous classification keys; (4) on-site activities on river flow, pH values, water bugs and river sediment; (5) post-visit activities on water pollution; (6) a list of 69 related vocabulary words; (7) park and parental permission forms for the visit; and (8) blank pages for taking notes. Contains 24 references and includes a separate educator's guide. (MDH)